Recognised as Colour
#63ABA4
- #63ABA4
- Cyan
- Dark
- Nearest: Cadetblue
#63ABA4 is a cyan with RGB values 99, 171, 164 and HSL 174°, 30%, 53%. It is a dark colour, so black text on it reaches 7.9:1 contrast (AAA for normal text). The nearest named colour is Cadetblue.
Colour values
#63ABA4#63ABA4
HEX#63ABA4
RGBrgb(99, 171, 164)
RGB (0–1)0.3882, 0.6706, 0.6431
RGB percentages38.8%, 67.1%, 64.3%
HSLhsl(174.2, 30%, 52.9%)
HSV / HSBhsv(174.2, 42.1%, 67.1%)
CMYK42.1%, 0%, 4.1%, 32.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,532,004
CSS custom property--colour: #63ABA4;
Brightness & contrast
Relative luminance0.34459WCAG 2.x, 0 is black and 1 is white
Perceived brightness152.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 7.89:1
Contrast with white2.66:1WCAG normal text: Fail
Contrast with black7.89:1WCAG normal text: AAA
Greyscale equivalent#9B9B9B
Inverted#9C545B
Colour vision & accessibility
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text2.66:1WCAG large text: Fail
Contrast with black, large text7.89:1WCAG large text: AAA
Named colours
Hue familycyan
CSS keyword usableNo exact keyword
Colour harmonies
Complementary#AB636A
Analogous#63AB80, #638EAB
Triadic#A463AB, #ABA463
Split complementary#AB638E, #AB8063
Tetradic#8063AB, #AB636A, #8EAB63
Tints, shades & saturation
Channel breakdown
R99
G171
B164
Red99 (38.8%)
Green171 (67.1%)
Blue164 (64.3%)
Hue174.17°
Saturation (HSL)30%
Lightness52.94%
Dominant channelGreen
Hex per channelR 63 · G AB · B A4
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Harmonies
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